Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
PC

Pui Lam Cho — 2 Patents

VEVtech Electronics: 2 patents #10 of 40Top 25%
Hong Kong, CN: #1,027 of 3,463 inventorsTop 30%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Pui Lam Cho has been granted 2 US patents while listed as an inventor at Vtech Electronics. The first was granted in 2019 and the most recent in April 2022. Pui Lam Cho ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Pui Lam Cho in Hong Kong, CN.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11305205 Electronic toy with radial independent connector and associated communication protocol Dong Chen, Wai Sing Wong 2022-04-19
10173142 Electronic toy with radial independent connector and associated communication protocol Dong Chen, Wai Sing Wong 2019-01-08